Active filter

Details Active filter Active filter

1982-04-21

1984-06-05

Mullins, James B.

Amplifiers

Signal feedback

Phase shift means in loop path

330109, 330100, 330103, H03F 136

Patent

active

044531320

ABSTRACT:
An active filter includes a first active stage including an operational amplifier and feedback means wherein the non-inverting input terminal of the operational amplifier is at a ground potential; a second active stage configured in the form of Miller integrator using an operational amplifier and connected in series with the first active stage; and means connecting the non-inverting terminal of the operational amplifier of the second active stage to the inverting terminal of the operational amplifier of the first active stage for enhancing the filter characteristics.

REFERENCES:
patent: 3659212 (1972-04-01), Saliga
patent: 3868605 (1975-02-01), Poole
patent: 4078215 (1978-03-01), Vinson
patent: 4158818 (1979-06-01), Lerner
patent: 4246542 (1981-01-01), Thanos

Affiliated with

Also associated with

Rating

Active filter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Active filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Active filter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1500210